Guest Stars DeForest Kelley as Dr. Leonard Horatio "Bones" McCoy James Doohan as Lt. Cmdr. Montgomery "Scotty" Scott Nichelle Nichols as Lt. Nyota Uhura George Takei as Lt. Hikaru Sulu Grant Woods as Kelowitz Sean Kenney as DePaul Jerry Ayres as O'Herlihy Tom Troupe as Lt. Harold James Farley as Lang Carolyne Barry as Metron